[WIP][TASK] Clean up packages for future use of flow object management

Change-Id: I501fd563f5389f3509f63f857b9baaf2451b9b27
[WIP][TASK] Speed up class loader by caching

Change-Id: I97151456750ca97edc7ad57a341ea469439eca61
[WIP][TASK] Clean up the bootstrap

Change-Id: I626c6551a0a7a9733c98567b796bbfbb2dc9bd6f